Epilepsy: Difference between revisions
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*'''Partial''' seizures involve a '''localised area of the brain''' | *'''Partial''' seizures involve a '''localised area of the brain''' | ||
*'''Generalised''' seizures involve the '''whole brain''' | *'''Generalised''' seizures involve the '''whole brain''' | ||
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====Partial Seizures==== | ====Partial Seizures==== | ||
Partial seizures can be further divided into ''simple'' and ''complex'' which describe the effect on consciousness. The definitions are: | Partial seizures can be further divided into ''simple'' and ''complex'' which describe the effect on consciousness. The definitions are: | ||
*'''Simple''' partial seizures do '''NOT cause a loss of consciousness''' | *'''Simple''' partial seizures do '''NOT cause a loss of consciousness''' | ||
*'''Complex''' partial seizures '''DO cause a loss of consciousness''' | *'''Complex''' partial seizures '''DO cause a loss of consciousness'''<br> | ||
====Generalised seizures==== | ====Generalised seizures==== | ||
These always results in a loss of consciousness and as such cannot be classified in this way. The most important types of generalised epilepsy are: | These always results in a loss of consciousness and as such cannot be classified in this way. The most important types of generalised epilepsy are: | ||
Revision as of 13:06, 20 August 2008
Definition
Epidemiology
Pathophysiology
Risk Factors
Classification Of Seizures
The first division to make is into partial and generalised which describe the area of the brain affected. The definitions are:
- Partial seizures involve a localised area of the brain
- Generalised seizures involve the whole brain
Partial Seizures
Partial seizures can be further divided into simple and complex which describe the effect on consciousness. The definitions are:
- Simple partial seizures do NOT cause a loss of consciousness
- Complex partial seizures DO cause a loss of consciousness
Generalised seizures
These always results in a loss of consciousness and as such cannot be classified in this way. The most important types of generalised epilepsy are:
- Absences
- Tonic-clonic seizures
There are four other types of seizure which are considered generalised but are less common: myoclonic seizures, clonic seizures, tonic seizures and atonic seizures